Home / 319,633.19-479,450.69-82,977.92

Finding the Fourth Proportional to 319,633.19, 479,450.69 and 82,977.92

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Solution

The fourth proportional to 319,633.19, 479,450.69 and 82,977.92 is: 124,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,633.19 : 479,450.69 = 82,977.92 : x
  2. Step 2: Convert to fraction form
    319,633.19/479,450.69 = 82,977.92/x
  3. Step 3: Cross multiply
    319,633.19x = 479,450.69 × 82,977.92
  4. Step 4: Simplify right side
    319,633.19x = 39,783,820,998.76
  5. Step 5: Solve for x
    x = 39,783,820,998.76/319,633.19
  6. Step 6: Final answer
    x = 124,467.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.